<template>
    <div class="shopcar-container">

        <div class="goodslist" >

            <!-- 商品列表区域 -->
            <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
                        <!-- 这个是双向数据布尔值，默认传过来的是false关闭，开启就变true,当变化，就把变化的值交给change事件进行传给state -->
						<mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"
                        ></mt-switch>
                        <img src="../../images/1.jpg" alt="">
                        <div class="info">
                            <h1>维恩翁翁厄尔而而我认为热热热威尔而二维人{{item.title}}</h1>
                            <p>
                                <span class="price">￥1129{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]"  :goodsid="item.id"></numbox>
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                            </p>
                        </div>
					</div>
				</div>
			</div>



            <!-- 结算区域 -->
            <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div class="left">
                            <p>总计（不含运费）</p>
                            <p>已勾选商品<span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span>件，总价<span class="red">${{store.getters.getGoodsCountAndAmount.amount}}</span></p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
					</div>
				</div>
			</div>



        </div>

       
   </div> 
</template>
<script>
    import numbox from "../subcomponents/shopcar_numbox.vue"
    export default {
        data(){
            return {
                goodslist: []    // 购物车中所有商品的数据
            }
        },
        methods: {
            //获得购物车列表数据
            getGoodsList(){
            // 1. 获取到 store 中所有的商品的Id，然后拼接出一个 用逗号分隔的 字符串
                var idArr = [];  
                this.$store.state.car.forEach(item=>{
                    idArr.push(item.id)
               
                })
                // 如果 购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
                if(idArr.length<=0){
                    return;
                }
                //获取购物车商品列表    
                this.$http.get("api/goods/getshopcarlist/"+idArr.join(",")).then(result=>{
                    if(result.body.status === 0){
                        this.goodslist = result.body.message;
                    }
                })
            },
            //删除购物车某项
            remove(id,i){
            //点击删除，把商品从 store 中根据 传递的 Id 删除，同时，把 当前组件中的 goodslist 中，对应要删除的那个商品，使用 index 来删除
                this.goodslist.splice(i,1);
                this.$store.commit("removeFromCar",id);
            },
            //当开关状态改变马上把商品id状态传给store
            selectedChanged(id,val){
                                                         //es6id简写
                this.$store.commit("updateGoodsSelected",{id,selected:val})

            }


        },
        components: {
            numbox
        }
    }

    
</script>
<style lang="scss" scoped>
    .shopcar-container {
        background-color: #eee;
        overflow: hidden;
        .goodslist {
            .mui-card-content-inner {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
        }
        img {
            width: 60px;
            height: 60px;
        }
        .info {
            h1 {
                font-size: 14px;

            }
            display: flex;
            flex-direction: column;
            justify-content: space-between;
             .price {
                color: red;
                font-weight: bold;
            }
        }

        .jiesuan {
            display: flex;
            justify-content: space-between;
            align-items: center;
            .red {
            color: red;
            font-weight: bold;
            font-size: 16px;
            }
        }


    }



</style>